Because of their principal prey, in Chinese jumping spiders are sometimes called 蒼蠅老虎 cāngyíng lǎohǔ / tsangyng laohuu “[literally] housefly tigers”.

[BEST TAKEDOWN YET!!!! Hyllus diardi hunts down a fly on my hand]

因其捕獵物的方式，及主要以蒼蠅為食，俗稱蒼蠅老虎；又因視力發達，善於跳躍，亦稱跳蛛。潛近獵物時，先逐步靠近，再跳到獵物身上。

Jumping spiders stalk their prey (somewhat like cats), and when the distance is just right, they can leap several times their body length to attack.

Worlds Biggest Jumping Spider In Slow Motion | Earth Unplugged

Unlike most insects, jumping spiders have excellent vision due to their eight simple eyes, and their bodies can be quite small: the smallest are only about one millimeter.

有別於一般昆蟲，跳蛛有8隻單眼，而且視力非常敏銳。體型一般不大，最小的只有一毫米左右。

Phidippus Carolinensis Jumping Spider Being Cute

The best thing about jumping spiders is that they are super cute! What’s more, they are very good friends because they eat silverfish, one of my worst enemies.